| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 27 |
2.3%
|
| 1 | YES | 12 |
1%
|
| 2 | NO | 1131 |
96.7%
|
| Sysmiss | 9507 |